njrat | 49f277dc019b879a635698e0611344db6d45bc7c577dc4fed3d1fe98ddef94fe

Analysis

max time kernel
146s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2024, 03:31

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
EDCAB9E1ECAADCADF520FF46563D59D2.exe
Size 107KB
Sample240414-d22qdsgh7x
SHA256 49f277dc019b879a635698e0611344db6d45bc7c577dc4fed3d1fe98ddef94fe
MD5 edcab9e1ecaadcadf520ff46563d59d2
SHA1 1bb54b8be32d02c2d32ac08a6b5f6d546804a6b4
SHA512 65d1f89c9c9d5dddfa75d518c2f18d990161be5d322b909fa72122613bfd8896dd0cabf488827a15f4c9e1873d43f2c04f7b068d94c84c1841a2a8c45d7c611d
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBhZ:w5eznsjsguGDFqGx8egoxmO3Z
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4012	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	EDCAB9E1ECAADCADF520FF46563D59D2.exe

Executes dropped EXE 2 IoCs

pid	Process
4628	chargeable.exe
3800	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	EDCAB9E1ECAADCADF520FF46563D59D2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EDCAB9E1ECAADCADF520FF46563D59D2.exe"	EDCAB9E1ECAADCADF520FF46563D59D2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4628 set thread context of 3800	4628	chargeable.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe
Token: 33	3800	chargeable.exe
Token: SeIncBasePriorityPrivilege	3800	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 4628	1408	EDCAB9E1ECAADCADF520FF46563D59D2.exe	95
PID 1408 wrote to memory of 4628	1408	EDCAB9E1ECAADCADF520FF46563D59D2.exe	95
PID 1408 wrote to memory of 4628	1408	EDCAB9E1ECAADCADF520FF46563D59D2.exe	95
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 4628 wrote to memory of 3800	4628	chargeable.exe	96
PID 3800 wrote to memory of 4012	3800	chargeable.exe	97
PID 3800 wrote to memory of 4012	3800	chargeable.exe	97
PID 3800 wrote to memory of 4012	3800	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\EDCAB9E1ECAADCADF520FF46563D59D2.exe
"C:\Users\Admin\AppData\Local\Temp\EDCAB9E1ECAADCADF520FF46563D59D2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4628
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3800
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:4012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

chargeable.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
Size 400B
SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
MD5 0a9b4592cd49c3c21f6767c2dabda92f
SHA1 f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA512 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
MD5 SHA1 SHA512

Submit Download

chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 108KB
SHA256 21847c8f4bd6a83f1007c0ccf7c01c80f4274e8a60b058700a46c89535f6d135
MD5 ca9bbb90fec73f5203020dc3ba358f81
SHA1 47fa7416f452dcc06bdc9bbd63163bac4fbf7bc7
SHA512 6fb495948955c51babd88964f372bde6ab331b89168971c7e4990b6241a85283d87d773734de79fdaa1480fc119b2d96034c7db2e4117a0a4f45312c7a19a293
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBhD:w5eznsjsguGDFqGx8egoxmO3D
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1408-1-0x00000000013C0000-0x00000000013D0000-memory.dmp

Download

memory/1408-2-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/1408-0-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/1408-18-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/3800-28-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/3800-30-0x0000000001450000-0x0000000001460000-memory.dmp

Download

memory/3800-29-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/3800-21-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/3800-26-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/3800-27-0x0000000001450000-0x0000000001460000-memory.dmp

Download

memory/4628-17-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/4628-25-0x0000000075250000-0x0000000075801000-memory.dmp

Download

memory/4628-20-0x0000000001950000-0x0000000001960000-memory.dmp

Download

memory/4628-19-0x0000000075250000-0x0000000075801000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads